Hey, cobalt can't. But tin can ;)
Why has Stephen Hawking stopped playing hide and seek with his wife? Because she keeps using a metal detector.
What did the Tin Man say when he got run over by a steamroller? -- "Curses! Foil again!"
Two windmills are standing in a field and one asks the other, "What kind of music do you like?" The other says, "I'm a big metal fan."
